Boston Celtics' Al Horford reacts after being fouled during the fourth quarter of an NBA basketball game against the Toronto Raptors in Boston, Saturday, March 31, 2018. (AP Photo/Michael Dwyer)

[Updated, 7-3-19, 7 p.m.] Four-time All-Star post player Al Horford, a former UF standout, agreed to sign a four-year, $97 million contract with the Philadelphia Sixers on Sunday, sources confirmed.The power forward/center could make up to $109 million with championship bonuses. Horford played for Boston last season.Free agency opened Sunday with nearly $3 billion in deals getting struck in the opening hours.Small forward Dorian Finney-Smith will remain with the Dallas Mavericks after agreeing to a deal for three years and $12 million, The Associated Press reported Wednesday. Last season, Finney-Smith produced career-high numbers, averaging 7.5 points, 4.5 rebounds and a steal in 24.5 minutes per game. He also managed career-bests in shooting numbers, hitting 42.5-percent from the floor and 31-percent from 3 with a career-high effective field goal percentage of 50.7-percent.All deals were confirmed to the AP by people with knowledge of the agreements, all speaking on condition of anonymity because the NBA moratorium prevents new contracts from being signed until noon Eastern time on Saturday.

On Wednesday, the Memphis Grizzlies traded forward Chandler Parsons to the Atlanta Hawks. Parsons, 30, has spent eight seasons in the NBA with the Rockets, Mavericks and Grizzlies. He also has been oft-injured with knee issues and was limited to 95 games in three seasons with the Grizzlies, including 25 last season. He has career averages of 7.5 points, 2.8 rebounds and 1.7 assists. The Grizzlies tried to reach a buyout agreement with Parsons last season. He will be the highest-paid Hawks player.